Md. Code, Public Safety § 13A–503

(a) A summary court–martial may be convened by:

(1) a person who may convene a general or special court–martial;

(2) the commanding officer of a detached company or other detachment, or corresponding unit of the Army;

(3) the commanding officer of a detached squadron or other detachment, or corresponding unit of the Air Force; or

(4) the commanding officer or officer in charge of any other command when empowered by the Adjutant General.

(b) (1) When only one commissioned officer is present with a command or detachment, that officer shall be the summary court–martial of that command or detachment and shall hear and determine all summary court–martial cases, or a military judge may act as summary court–martial.

(2) A summary court–martial may, however, be convened in any case by superior competent authority if considered desirable by such authority.